Quote:
Originally Posted by questionmark
The boat previously topped out at about 8 knots, but I felt it was under propped with the existing 4 blade. Most of the Google and search hits are for boats much faster than mine. Any trawler owners have experience in changing props on slower boats?
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Are you referring to other boats of the same make and model with the same engine? Hull shape and engine HP have a great deal to do with speed. As an example: my boat cruises at 7 knots. To reach 9 knots would require more than 4 times the HP at 7 knots.
Ted
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